Rezin is an aroma and flavour enhancer. It helps you plants to produce more terpenes, resulting in better extractions. Rezin was formulated to enhance the natural processes within your flowering plants that produce flavour and aroma. Will not impact the ppm/EC of your nutrient solution. Increase resin production. Amplify essential oil and aroma profile of your plants. Visually improve the ?crystalline? appearance of finished flowers. Does not contain any plant growth regulators (PGRs) or banned and restricted bio-stimulators. Application rates: 1 ml/L (4ml/gal) during the last 2 weeks of the vegetative cycle to prime plants for bloom. 1 ml/L (4mL/gal) during the first 2 weeks of flowering. 2 ml/L (8mL/gal) during week 3 up until harvest.